the  management of urolithiasis in children is becoming more similar to that in adult patients as the instrumentations , catheter , stents and equipment for stone manipulation improve and miniature. the aim of this study to review our experience with semirigid ureteroscopy and Holmium YAg laser for treatment of ureteric calculi in children

conclusion ureterscopy in combination with Holmium Yag laser lithotripsy is effective and safe for treating ureteric calculi in children , It offers excellant stonr free rate often after a single procedure with negligable complication rate